medium5.7
CVE-2026-115379
Wasmtime 47.0.0 before 48.0.4 and 49.0.0 before 49.0.2 contains a missing GC rooting vulnerability that leaves references live across try_call unrooted when co…
Impact
Wasmtime 47.0.0 before 48.0.4 and 49.0.0 before 49.0.2 contains a missing GC rooting vulnerability that leaves references live across try_call unrooted when compiling Wasm modules. Attackers can supply Wasm modules whose callee triggers garbage collection, leaving stale or dangling references that cause GC heap corruption or incorrect execution.
Affected products
| Product | Affected versions |
|---|---|
| Wasmtime 47.0.0 | before 48.0.4 |
| 49.0.0 | before 49.0.2 |
Versions were read from the advisory text. No structured product data has been published for this record yet.